From 22e28216336da876e1fd17f380ce42eaf1446769 Mon Sep 17 00:00:00 2001 From: Tim Redfern Date: Mon, 17 Feb 2014 13:36:38 +0000 Subject: chasing indexing error --- ffmpeg/libavcodec/imgconvert.c | 668 ----------------------------------------- 1 file changed, 668 deletions(-) delete mode 100644 ffmpeg/libavcodec/imgconvert.c (limited to 'ffmpeg/libavcodec/imgconvert.c') diff --git a/ffmpeg/libavcodec/imgconvert.c b/ffmpeg/libavcodec/imgconvert.c deleted file mode 100644 index ee58cfb..0000000 --- a/ffmpeg/libavcodec/imgconvert.c +++ /dev/null @@ -1,668 +0,0 @@ -/* - * Misc image conversion routines - * Copyright (c) 2001, 2002, 2003 Fabrice Bellard - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -/** - * @file - * misc image conversion routines - */ - -/* TODO: - * - write 'ffimg' program to test all the image related stuff - * - move all api to slice based system - * - integrate deinterlacing, postprocessing and scaling in the conversion process - */ - -#include "avcodec.h" -#include "dsputil.h" -#include "imgconvert.h" -#include "internal.h" -#include "libavutil/avassert.h" -#include "libavutil/colorspace.h" -#include "libavutil/common.h" -#include "libavutil/pixdesc.h" -#include "libavutil/imgutils.h" - -#if HAVE_MMX_EXTERNAL -#include "x86/dsputil_x86.h" -#endif - -#define FF_COLOR_NA -1 -#define FF_COLOR_RGB 0 /**< RGB color space */ -#define FF_COLOR_GRAY 1 /**< gray color space */ -#define FF_COLOR_YUV 2 /**< YUV color space. 16 <= Y <= 235, 16 <= U, V <= 240 */ -#define FF_COLOR_YUV_JPEG 3 /**< YUV color space. 0 <= Y <= 255, 0 <= U, V <= 255 */ - -#if HAVE_MMX_EXTERNAL -#define deinterlace_line_inplace ff_deinterlace_line_inplace_mmx -#define deinterlace_line ff_deinterlace_line_mmx -#else -#define deinterlace_line_inplace deinterlace_line_inplace_c -#define deinterlace_line deinterlace_line_c -#endif - -#define pixdesc_has_alpha(pixdesc) \ - ((pixdesc)->nb_components == 2 || (pixdesc)->nb_components == 4 || (pixdesc)->flags & AV_PIX_FMT_FLAG_PAL) - - -void avcodec_get_chroma_sub_sample(enum AVPixelFormat pix_fmt, int *h_shift, int *v_shift) -{ - const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt); - av_assert0(desc); - *h_shift = desc->log2_chroma_w; - *v_shift = desc->log2_chroma_h; -} - -static int get_color_type(const AVPixFmtDescriptor *desc) { - if (desc->flags & AV_PIX_FMT_FLAG_PAL) - return FF_COLOR_RGB; - - if(desc->nb_components == 1 || desc->nb_components == 2) - return FF_COLOR_GRAY; - - if(desc->name && !strncmp(desc->name, "yuvj", 4)) - return FF_COLOR_YUV_JPEG; - - if(desc->flags & AV_PIX_FMT_FLAG_RGB) - return FF_COLOR_RGB; - - if(desc->nb_components == 0) - return FF_COLOR_NA; - - return FF_COLOR_YUV; -} - -static int get_pix_fmt_depth(int *min, int *max, enum AVPixelFormat pix_fmt) -{ - const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt); - int i; - - if (!desc || !desc->nb_components) { - *min = *max = 0; - return AVERROR(EINVAL); - } - - *min = INT_MAX, *max = -INT_MAX; - for (i = 0; i < desc->nb_components; i++) { - *min = FFMIN(desc->comp[i].depth_minus1+1, *min); - *max = FFMAX(desc->comp[i].depth_minus1+1, *max); - } - return 0; -} - -static int get_pix_fmt_score(enum AVPixelFormat dst_pix_fmt, - enum AVPixelFormat src_pix_fmt, - unsigned *lossp, unsigned consider) -{ - const AVPixFmtDescriptor *src_desc = av_pix_fmt_desc_get(src_pix_fmt); - const AVPixFmtDescriptor *dst_desc = av_pix_fmt_desc_get(dst_pix_fmt); - int src_color, dst_color; - int src_min_depth, src_max_depth, dst_min_depth, dst_max_depth; - int ret, loss, i, nb_components; - int score = INT_MAX - 1; - - if (dst_pix_fmt >= AV_PIX_FMT_NB || dst_pix_fmt <= AV_PIX_FMT_NONE) - return ~0; - - /* compute loss */ - *lossp = loss = 0; - - if (dst_pix_fmt == src_pix_fmt) - return INT_MAX; - - if ((ret = get_pix_fmt_depth(&src_min_depth, &src_max_depth, src_pix_fmt)) < 0) - return ret; - if ((ret = get_pix_fmt_depth(&dst_min_depth, &dst_max_depth, dst_pix_fmt)) < 0) - return ret; - - src_color = get_color_type(src_desc); - dst_color = get_color_type(dst_desc); - nb_components = FFMIN(src_desc->nb_components, dst_desc->nb_components); - - for (i = 0; i < nb_components; i++) - if (src_desc->comp[i].depth_minus1 > dst_desc->comp[i].depth_minus1 && (consider & FF_LOSS_DEPTH)) { - loss |= FF_LOSS_DEPTH; - score -= 65536 >> dst_desc->comp[i].depth_minus1; - } - - if (consider & FF_LOSS_RESOLUTION) { - if (dst_desc->log2_chroma_w > src_desc->log2_chroma_w) { - loss |= FF_LOSS_RESOLUTION; - score -= 256 << dst_desc->log2_chroma_w; - } - if (dst_desc->log2_chroma_h > src_desc->log2_chroma_h) { - loss |= FF_LOSS_RESOLUTION; - score -= 256 << dst_desc->log2_chroma_h; - } - // don't favor 422 over 420 if downsampling is needed, because 420 has much better support on the decoder side - if (dst_desc->log2_chroma_w == 1 && src_desc->log2_chroma_w == 0 && - dst_desc->log2_chroma_h == 1 && src_desc->log2_chroma_h == 0 ) { - score += 512; - } - } - - if(consider & FF_LOSS_COLORSPACE) - switch(dst_color) { - case FF_COLOR_RGB: - if (src_color != FF_COLOR_RGB && - src_color != FF_COLOR_GRAY) - loss |= FF_LOSS_COLORSPACE; - break; - case FF_COLOR_GRAY: - if (src_color != FF_COLOR_GRAY) - loss |= FF_LOSS_COLORSPACE; - break; - case FF_COLOR_YUV: - if (src_color != FF_COLOR_YUV) - loss |= FF_LOSS_COLORSPACE; - break; - case FF_COLOR_YUV_JPEG: - if (src_color != FF_COLOR_YUV_JPEG && - src_color != FF_COLOR_YUV && - src_color != FF_COLOR_GRAY) - loss |= FF_LOSS_COLORSPACE; - break; - default: - /* fail safe test */ - if (src_color != dst_color) - loss |= FF_LOSS_COLORSPACE; - break; - } - if(loss & FF_LOSS_COLORSPACE) - score -= (nb_components * 65536) >> FFMIN(dst_desc->comp[0].depth_minus1, src_desc->comp[0].depth_minus1); - - if (dst_color == FF_COLOR_GRAY && - src_color != FF_COLOR_GRAY && (consider & FF_LOSS_CHROMA)) { - loss |= FF_LOSS_CHROMA; - score -= 2 * 65536; - } - if (!pixdesc_has_alpha(dst_desc) && (pixdesc_has_alpha(src_desc) && (consider & FF_LOSS_ALPHA))) { - loss |= FF_LOSS_ALPHA; - score -= 65536; - } - if (dst_pix_fmt == AV_PIX_FMT_PAL8 && (consider & FF_LOSS_COLORQUANT) && - (src_pix_fmt != AV_PIX_FMT_PAL8 && (src_color != FF_COLOR_GRAY || (pixdesc_has_alpha(src_desc) && (consider & FF_LOSS_ALPHA))))) { - loss |= FF_LOSS_COLORQUANT; - score -= 65536; - } - - *lossp = loss; - return score; -} - -int avcodec_get_pix_fmt_loss(enum AVPixelFormat dst_pix_fmt, - enum AVPixelFormat src_pix_fmt, - int has_alpha) -{ - int loss; - int ret = get_pix_fmt_score(dst_pix_fmt, src_pix_fmt, &loss, has_alpha ? ~0 : ~FF_LOSS_ALPHA); - if (ret < 0) - return ret; - return loss; -} - -enum AVPixelFormat avcodec_find_best_pix_fmt_of_2(enum AVPixelFormat dst_pix_fmt1, enum AVPixelFormat dst_pix_fmt2, - enum AVPixelFormat src_pix_fmt, int has_alpha, int *loss_ptr) -{ - enum AVPixelFormat dst_pix_fmt; - int loss1, loss2, loss_mask; - const AVPixFmtDescriptor *desc1 = av_pix_fmt_desc_get(dst_pix_fmt1); - const AVPixFmtDescriptor *desc2 = av_pix_fmt_desc_get(dst_pix_fmt2); - int score1, score2; - - loss_mask= loss_ptr?~*loss_ptr:~0; /* use loss mask if provided */ - if(!has_alpha) - loss_mask &= ~FF_LOSS_ALPHA; - - dst_pix_fmt = AV_PIX_FMT_NONE; - score1 = get_pix_fmt_score(dst_pix_fmt1, src_pix_fmt, &loss1, loss_mask); - score2 = get_pix_fmt_score(dst_pix_fmt2, src_pix_fmt, &loss2, loss_mask); - - if (score1 == score2) { - if(av_get_padded_bits_per_pixel(desc2) != av_get_padded_bits_per_pixel(desc1)) { - dst_pix_fmt = av_get_padded_bits_per_pixel(desc2) < av_get_padded_bits_per_pixel(desc1) ? dst_pix_fmt2 : dst_pix_fmt1; - } else { - dst_pix_fmt = desc2->nb_components < desc1->nb_components ? dst_pix_fmt2 : dst_pix_fmt1; - } - } else { - dst_pix_fmt = score1 < score2 ? dst_pix_fmt2 : dst_pix_fmt1; - } - - if (loss_ptr) - *loss_ptr = avcodec_get_pix_fmt_loss(dst_pix_fmt, src_pix_fmt, has_alpha); - return dst_pix_fmt; -} - -#if AV_HAVE_INCOMPATIBLE_LIBAV_ABI -enum AVPixelFormat avcodec_find_best_pix_fmt2(const enum AVPixelFormat *pix_fmt_list, - enum AVPixelFormat src_pix_fmt, - int has_alpha, int *loss_ptr){ - return avcodec_find_best_pix_fmt_of_list(pix_fmt_list, src_pix_fmt, has_alpha, loss_ptr); -} -#else -enum AVPixelFormat avcodec_find_best_pix_fmt2(enum AVPixelFormat dst_pix_fmt1, enum AVPixelFormat dst_pix_fmt2, - enum AVPixelFormat src_pix_fmt, int has_alpha, int *loss_ptr) -{ - return avcodec_find_best_pix_fmt_of_2(dst_pix_fmt1, dst_pix_fmt2, src_pix_fmt, has_alpha, loss_ptr); -} -#endif - -enum AVPixelFormat avcodec_find_best_pix_fmt_of_list(const enum AVPixelFormat *pix_fmt_list, - enum AVPixelFormat src_pix_fmt, - int has_alpha, int *loss_ptr){ - int i; - - enum AVPixelFormat best = AV_PIX_FMT_NONE; - - for(i=0; pix_fmt_list[i] != AV_PIX_FMT_NONE; i++) - best = avcodec_find_best_pix_fmt_of_2(best, pix_fmt_list[i], src_pix_fmt, has_alpha, loss_ptr); - - return best; -} - -/* 2x2 -> 1x1 */ -void ff_shrink22(uint8_t *dst, int dst_wrap, - const uint8_t *src, int src_wrap, - int width, int height) -{ - int w; - const uint8_t *s1, *s2; - uint8_t *d; - - for(;height > 0; height--) { - s1 = src; - s2 = s1 + src_wrap; - d = dst; - for(w = width;w >= 4; w-=4) { - d[0] = (s1[0] + s1[1] + s2[0] + s2[1] + 2) >> 2; - d[1] = (s1[2] + s1[3] + s2[2] + s2[3] + 2) >> 2; - d[2] = (s1[4] + s1[5] + s2[4] + s2[5] + 2) >> 2; - d[3] = (s1[6] + s1[7] + s2[6] + s2[7] + 2) >> 2; - s1 += 8; - s2 += 8; - d += 4; - } - for(;w > 0; w--) { - d[0] = (s1[0] + s1[1] + s2[0] + s2[1] + 2) >> 2; - s1 += 2; - s2 += 2; - d++; - } - src += 2 * src_wrap; - dst += dst_wrap; - } -} - -/* 4x4 -> 1x1 */ -void ff_shrink44(uint8_t *dst, int dst_wrap, - const uint8_t *src, int src_wrap, - int width, int height) -{ - int w; - const uint8_t *s1, *s2, *s3, *s4; - uint8_t *d; - - for(;height > 0; height--) { - s1 = src; - s2 = s1 + src_wrap; - s3 = s2 + src_wrap; - s4 = s3 + src_wrap; - d = dst; - for(w = width;w > 0; w--) { - d[0] = (s1[0] + s1[1] + s1[2] + s1[3] + - s2[0] + s2[1] + s2[2] + s2[3] + - s3[0] + s3[1] + s3[2] + s3[3] + - s4[0] + s4[1] + s4[2] + s4[3] + 8) >> 4; - s1 += 4; - s2 += 4; - s3 += 4; - s4 += 4; - d++; - } - src += 4 * src_wrap; - dst += dst_wrap; - } -} - -/* 8x8 -> 1x1 */ -void ff_shrink88(uint8_t *dst, int dst_wrap, - const uint8_t *src, int src_wrap, - int width, int height) -{ - int w, i; - - for(;height > 0; height--) { - for(w = width;w > 0; w--) { - int tmp=0; - for(i=0; i<8; i++){ - tmp += src[0] + src[1] + src[2] + src[3] + src[4] + src[5] + src[6] + src[7]; - src += src_wrap; - } - *(dst++) = (tmp + 32)>>6; - src += 8 - 8*src_wrap; - } - src += 8*src_wrap - 8*width; - dst += dst_wrap - width; - } -} - -/* return true if yuv planar */ -static inline int is_yuv_planar(const AVPixFmtDescriptor *desc) -{ - int i; - int planes[4] = { 0 }; - - if ( desc->flags & AV_PIX_FMT_FLAG_RGB - || !(desc->flags & AV_PIX_FMT_FLAG_PLANAR)) - return 0; - - /* set the used planes */ - for (i = 0; i < desc->nb_components; i++) - planes[desc->comp[i].plane] = 1; - - /* if there is an unused plane, the format is not planar */ - for (i = 0; i < desc->nb_components; i++) - if (!planes[i]) - return 0; - return 1; -} - -int av_picture_crop(AVPicture *dst, const AVPicture *src, - enum AVPixelFormat pix_fmt, int top_band, int left_band) -{ - const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt); - int y_shift; - int x_shift; - - if (pix_fmt < 0 || pix_fmt >= AV_PIX_FMT_NB) - return -1; - - y_shift = desc->log2_chroma_h; - x_shift = desc->log2_chroma_w; - - if (is_yuv_planar(desc)) { - dst->data[0] = src->data[0] + (top_band * src->linesize[0]) + left_band; - dst->data[1] = src->data[1] + ((top_band >> y_shift) * src->linesize[1]) + (left_band >> x_shift); - dst->data[2] = src->data[2] + ((top_band >> y_shift) * src->linesize[2]) + (left_band >> x_shift); - } else{ - if(top_band % (1<data[0] = src->data[0] + (top_band * src->linesize[0]) + left_band; - } - - dst->linesize[0] = src->linesize[0]; - dst->linesize[1] = src->linesize[1]; - dst->linesize[2] = src->linesize[2]; - return 0; -} - -int av_picture_pad(AVPicture *dst, const AVPicture *src, int height, int width, - enum AVPixelFormat pix_fmt, int padtop, int padbottom, int padleft, int padright, - int *color) -{ - const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt); - uint8_t *optr; - int y_shift; - int x_shift; - int yheight; - int i, y; - - if (pix_fmt < 0 || pix_fmt >= AV_PIX_FMT_NB || - !is_yuv_planar(desc)) return -1; - - for (i = 0; i < 3; i++) { - x_shift = i ? desc->log2_chroma_w : 0; - y_shift = i ? desc->log2_chroma_h : 0; - - if (padtop || padleft) { - memset(dst->data[i], color[i], - dst->linesize[i] * (padtop >> y_shift) + (padleft >> x_shift)); - } - - if (padleft || padright) { - optr = dst->data[i] + dst->linesize[i] * (padtop >> y_shift) + - (dst->linesize[i] - (padright >> x_shift)); - yheight = (height - 1 - (padtop + padbottom)) >> y_shift; - for (y = 0; y < yheight; y++) { - memset(optr, color[i], (padleft + padright) >> x_shift); - optr += dst->linesize[i]; - } - } - - if (src) { /* first line */ - uint8_t *iptr = src->data[i]; - optr = dst->data[i] + dst->linesize[i] * (padtop >> y_shift) + - (padleft >> x_shift); - memcpy(optr, iptr, (width - padleft - padright) >> x_shift); - iptr += src->linesize[i]; - optr = dst->data[i] + dst->linesize[i] * (padtop >> y_shift) + - (dst->linesize[i] - (padright >> x_shift)); - yheight = (height - 1 - (padtop + padbottom)) >> y_shift; - for (y = 0; y < yheight; y++) { - memset(optr, color[i], (padleft + padright) >> x_shift); - memcpy(optr + ((padleft + padright) >> x_shift), iptr, - (width - padleft - padright) >> x_shift); - iptr += src->linesize[i]; - optr += dst->linesize[i]; - } - } - - if (padbottom || padright) { - optr = dst->data[i] + dst->linesize[i] * - ((height - padbottom) >> y_shift) - (padright >> x_shift); - memset(optr, color[i],dst->linesize[i] * - (padbottom >> y_shift) + (padright >> x_shift)); - } - } - return 0; -} - -#if FF_API_DEINTERLACE - -#if !HAVE_MMX_EXTERNAL -/* filter parameters: [-1 4 2 4 -1] // 8 */ -static void deinterlace_line_c(uint8_t *dst, - const uint8_t *lum_m4, const uint8_t *lum_m3, - const uint8_t *lum_m2, const uint8_t *lum_m1, - const uint8_t *lum, - int size) -{ - const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; - int sum; - - for(;size > 0;size--) { - sum = -lum_m4[0]; - sum += lum_m3[0] << 2; - sum += lum_m2[0] << 1; - sum += lum_m1[0] << 2; - sum += -lum[0]; - dst[0] = cm[(sum + 4) >> 3]; - lum_m4++; - lum_m3++; - lum_m2++; - lum_m1++; - lum++; - dst++; - } -} - -static void deinterlace_line_inplace_c(uint8_t *lum_m4, uint8_t *lum_m3, - uint8_t *lum_m2, uint8_t *lum_m1, - uint8_t *lum, int size) -{ - const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; - int sum; - - for(;size > 0;size--) { - sum = -lum_m4[0]; - sum += lum_m3[0] << 2; - sum += lum_m2[0] << 1; - lum_m4[0]=lum_m2[0]; - sum += lum_m1[0] << 2; - sum += -lum[0]; - lum_m2[0] = cm[(sum + 4) >> 3]; - lum_m4++; - lum_m3++; - lum_m2++; - lum_m1++; - lum++; - } -} -#endif /* !HAVE_MMX_EXTERNAL */ - -/* deinterlacing : 2 temporal taps, 3 spatial taps linear filter. The - top field is copied as is, but the bottom field is deinterlaced - against the top field. */ -static void deinterlace_bottom_field(uint8_t *dst, int dst_wrap, - const uint8_t *src1, int src_wrap, - int width, int height) -{ - const uint8_t *src_m2, *src_m1, *src_0, *src_p1, *src_p2; - int y; - - src_m2 = src1; - src_m1 = src1; - src_0=&src_m1[src_wrap]; - src_p1=&src_0[src_wrap]; - src_p2=&src_p1[src_wrap]; - for(y=0;y<(height-2);y+=2) { - memcpy(dst,src_m1,width); - dst += dst_wrap; - deinterlace_line(dst,src_m2,src_m1,src_0,src_p1,src_p2,width); - src_m2 = src_0; - src_m1 = src_p1; - src_0 = src_p2; - src_p1 += 2*src_wrap; - src_p2 += 2*src_wrap; - dst += dst_wrap; - } - memcpy(dst,src_m1,width); - dst += dst_wrap; - /* do last line */ - deinterlace_line(dst,src_m2,src_m1,src_0,src_0,src_0,width); -} - -static void deinterlace_bottom_field_inplace(uint8_t *src1, int src_wrap, - int width, int height) -{ - uint8_t *src_m1, *src_0, *src_p1, *src_p2; - int y; - uint8_t *buf; - buf = av_malloc(width); - - src_m1 = src1; - memcpy(buf,src_m1,width); - src_0=&src_m1[src_wrap]; - src_p1=&src_0[src_wrap]; - src_p2=&src_p1[src_wrap]; - for(y=0;y<(height-2);y+=2) { - deinterlace_line_inplace(buf,src_m1,src_0,src_p1,src_p2,width); - src_m1 = src_p1; - src_0 = src_p2; - src_p1 += 2*src_wrap; - src_p2 += 2*src_wrap; - } - /* do last line */ - deinterlace_line_inplace(buf,src_m1,src_0,src_0,src_0,width); - av_free(buf); -} - -int avpicture_deinterlace(AVPicture *dst, const AVPicture *src, - enum AVPixelFormat pix_fmt, int width, int height) -{ - int i; - - if (pix_fmt != AV_PIX_FMT_YUV420P && - pix_fmt != AV_PIX_FMT_YUVJ420P && - pix_fmt != AV_PIX_FMT_YUV422P && - pix_fmt != AV_PIX_FMT_YUVJ422P && - pix_fmt != AV_PIX_FMT_YUV444P && - pix_fmt != AV_PIX_FMT_YUV411P && - pix_fmt != AV_PIX_FMT_GRAY8) - return -1; - if ((width & 3) != 0 || (height & 3) != 0) - return -1; - - for(i=0;i<3;i++) { - if (i == 1) { - switch(pix_fmt) { - case AV_PIX_FMT_YUVJ420P: - case AV_PIX_FMT_YUV420P: - width >>= 1; - height >>= 1; - break; - case AV_PIX_FMT_YUV422P: - case AV_PIX_FMT_YUVJ422P: - width >>= 1; - break; - case AV_PIX_FMT_YUV411P: - width >>= 2; - break; - default: - break; - } - if (pix_fmt == AV_PIX_FMT_GRAY8) { - break; - } - } - if (src == dst) { - deinterlace_bottom_field_inplace(dst->data[i], dst->linesize[i], - width, height); - } else { - deinterlace_bottom_field(dst->data[i],dst->linesize[i], - src->data[i], src->linesize[i], - width, height); - } - } - emms_c(); - return 0; -} - -#endif /* FF_API_DEINTERLACE */ - -#ifdef TEST - -int main(void){ - int i; - int err=0; - int skip = 0; - - for (i=0; iname) { - skip ++; - continue; - } - if (skip) { - av_log(NULL, AV_LOG_INFO, "%3d unused pixel format values\n", skip); - skip = 0; - } - av_log(NULL, AV_LOG_INFO, "pix fmt %s yuv_plan:%d avg_bpp:%d colortype:%d\n", desc->name, is_yuv_planar(desc), av_get_padded_bits_per_pixel(desc), get_color_type(desc)); - if ((!(desc->flags & AV_PIX_FMT_FLAG_ALPHA)) != (desc->nb_components != 2 && desc->nb_components != 4)) { - av_log(NULL, AV_LOG_ERROR, "Alpha flag mismatch\n"); - err = 1; - } - } - return err; -} - -#endif -- cgit v1.2.3